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import os
import subprocess
from scripts.test.shared import WASM_OPT, WASM_DIS, WASM_SHELL, NODEJS, run_process
from .utils import BinaryenTestCase
class AsyncifyTest(BinaryenTestCase):
def test_asyncify_js(self):
def test(args):
print(args)
run_process(WASM_OPT + args + [self.input_path('asyncify-sleep.wast'), '--asyncify', '-o', 'a.wasm'])
run_process(WASM_OPT + args + [self.input_path('asyncify-coroutine.wast'), '--asyncify', '-o', 'b.wasm'])
run_process(WASM_OPT + args + [self.input_path('asyncify-stackOverflow.wast'), '--asyncify', '-o', 'c.wasm'])
print(' file size: %d' % os.path.getsize('a.wasm'))
run_process([NODEJS, self.input_path('asyncify.js')])
test(['-g'])
test([])
test(['-O1'])
test(['--optimize-level=1'])
test(['-O3'])
test(['-Os', '-g'])
def test_asyncify_pure_wasm(self):
run_process(WASM_OPT + [self.input_path('asyncify-pure.wast'), '--asyncify', '-o', 'a.wasm'])
run_process(WASM_DIS + ['a.wasm', '-o', 'a.wast'])
output = run_process(WASM_SHELL + ['a.wast'], capture_output=True).stdout
with open(self.input_path('asyncify-pure.txt'), 'r') as f:
self.assertEqual(f.read(), output)
def test_asyncify_list_bad(self):
for arg, warning in [
('--pass-arg=asyncify-blacklist@nonexistent', 'nonexistent'),
('--pass-arg=asyncify-whitelist@nonexistent', 'nonexistent'),
('--pass-arg=asyncify-blacklist@main', None),
('--pass-arg=asyncify-whitelist@main', None),
('--pass-arg=asyncify-whitelist@main', None),
('--pass-arg=asyncify-whitelist@DOS_ReadFile(unsigned short, unsigned char*, unsigned short*, bool)', None),
]:
print(arg, warning)
err = run_process(WASM_OPT + [self.input_path('asyncify-pure.wast'), '--asyncify', arg], stdout=subprocess.PIPE, stderr=subprocess.PIPE).stderr.strip()
if warning:
self.assertIn('warning', err)
self.assertIn(warning, err)
else:
self.assertNotIn('warning', err)
def test_asyncify_blacklist_and_whitelist(self):
proc = run_process(WASM_OPT + [self.input_path('asyncify-pure.wast'), '--asyncify', '--pass-arg=asyncify-whitelist@main', '--pass-arg=asyncify-blacklist@main'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, check=False)
self.assertNotEqual(proc.returncode, 0, 'must error on using both lists at once')
self.assertIn('It makes no sense to use both a blacklist and a whitelist with asyncify', proc.stdout)
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